965737- support storage_path that reference directories in node sync.
URL quote relative path when building the URL.
include the root directory in the tarball.
uncompressed tarball for better performance.
Merge branch 'jortel-960159' into jortel-965737
Merge branch 'jortel-960159' into jortel-965737
performance tuning.
docstring
consistent naming.
use more constants.
determine download urls on the child node instead of injecting in each unit.
docstrings
add atomic nodes publishing.
docstrings.
better name for constant.
docstrings.
track staged publishing; use __exit__ only for cleanup.
Merge pull request #494 from pulp/jortel-atomic-node-publish

atomic node publish